Year	Cases per 100,000
1990	58.15
1991	60
1992	61.92
1993	63.91
1994	65.96
1995	68.1
1996	69.04
1997	70.01
1998	70.99
1999	71.99
2000	73.01
2001	74.18
2002	75.39
2003	76.63
2004	77.9
2005	79.22
2006	79.54
2007	79.86
2008	80.2
2009	80.55
2010	80.92
2011	80.34
2012	79.78
2013	79.23
2014	78.68
2015	78.13
2016	77.61